{
  "cctv_No": "01",
  "site_No": "site_seocho",
  "tracking_No": "00000067",
  "tracking_timestamp": "20260513-111424",
  "sequence": 67,
  "interval_sec": 1,
  "coord_sys": "EPSG:5186",
  "objects": [
    {
      "track_id": 6,
      "class_name": "굴착기",
      "x": 200247.2,
      "y": 543289.04
    },
    {
      "track_id": 1000130,
      "class_name": "굴착기",
      "x": 200267.07,
      "y": 543272.58
    },
    {
      "track_id": -10000535,
      "class_name": "덤프트럭",
      "x": 200229.2,
      "y": 543260.99
    },
    {
      "track_id": -10000532,
      "class_name": "덤프트럭",
      "x": 200393.49,
      "y": 543447.42
    },
    {
      "track_id": 13,
      "class_name": "덤프트럭",
      "x": 200227.84,
      "y": 543262.68
    },
    {
      "track_id": 1000086,
      "class_name": "덤프트럭",
      "x": 200217.54,
      "y": 543278.27
    },
    {
      "track_id": -10000536,
      "class_name": "작업자",
      "x": 200219.92,
      "y": 543268.11
    },
    {
      "track_id": -10000534,
      "class_name": "작업자",
      "x": 200234.62,
      "y": 543251.64
    },
    {
      "track_id": -10000533,
      "class_name": "작업자",
      "x": 200216.88,
      "y": 543261.99
    },
    {
      "track_id": -10000531,
      "class_name": "작업자",
      "x": 200208.69,
      "y": 543248.01
    },
    {
      "track_id": -10000530,
      "class_name": "작업자",
      "x": 200219.87,
      "y": 543268.73
    },
    {
      "track_id": -10000529,
      "class_name": "작업자",
      "x": 200241.22,
      "y": 543256.13
    },
    {
      "track_id": -10000524,
      "class_name": "작업자",
      "x": 200203.22,
      "y": 543232.66
    },
    {
      "track_id": 50,
      "class_name": "작업자",
      "x": 200223.08,
      "y": 543248.21
    },
    {
      "track_id": 64,
      "class_name": "작업자",
      "x": 200218.66,
      "y": 543255.96
    },
    {
      "track_id": 70,
      "class_name": "작업자",
      "x": 200218.93,
      "y": 543264.03
    },
    {
      "track_id": 1000175,
      "class_name": "작업자",
      "x": 200202.62,
      "y": 543232.97
    },
    {
      "track_id": 1000187,
      "class_name": "작업자",
      "x": 200213.42,
      "y": 543278.75
    },
    {
      "track_id": 1000213,
      "class_name": "작업자",
      "x": 200217.62,
      "y": 543260.94
    },
    {
      "track_id": 1000214,
      "class_name": "작업자",
      "x": 200217.5,
      "y": 543262.84
    },
    {
      "track_id": 1000218,
      "class_name": "작업자",
      "x": 200203.09,
      "y": 543231.96
    },
    {
      "track_id": 1000219,
      "class_name": "작업자",
      "x": 200220.57,
      "y": 543269.31
    },
    {
      "track_id": 1000221,
      "class_name": "작업자",
      "x": 200217.16,
      "y": 543261.73
    },
    {
      "track_id": 1000222,
      "class_name": "작업자",
      "x": 200264.26,
      "y": 543322.0
    },
    {
      "track_id": 1000223,
      "class_name": "작업자",
      "x": 200240.2,
      "y": 543255.6
    },
    {
      "track_id": 1000224,
      "class_name": "작업자",
      "x": 200219.6,
      "y": 543268.21
    }
  ]
}